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An electric circuit, whether it's a simple lightbulb or a complex amplifier, has two input terminals that are connected to the two output terminals of the voltage source. The impedance between the two input terminals (often a function of frequency) is the circuit's input impedance. Most circuits are designed to have a large input impedance. To see why, suppose you need to amplify the output of a high-pass filter that is constructed with a 1.6 k resistor and a 15 uF capacitor. The amplifier you've chosen has a purely resistive input impedance. Part A For a 60 Hz signal, what is the ratio VR load/VR noload of the filter's peak voltage output with (load) and without (no load) the amplifier connected if the amplifier's input impedance is 1.5 ks2? ΑΣΦ -> VR load/VR noload = Submit Request Answer Part B For a 60 Hz signal, what is the ratio VR load/VR noload of the filter's peak voltage output with (load) and without (no load) the amplifier connected if the amplifier's input impedance is 150 ks?? VR load/VR noload= Ο ΑΣΦ Submit Request Answer

An electric circuit, whether it's a simple lightbulb or a complex amplifier, has two input terminals that are connected to the two output terminals of the voltage source. The impedance between the two input terminals (often a function of frequency) is the circuit's input impedance. Most circuits are designed to have a large input impedance. To see why, suppose you need to amplify the output of a high-pass filter that is constructed with a 1.6 k resistor and a 15 uF capacitor. The amplifier you've chosen has a purely resistive input impedance. Part A For a 60 Hz signal, what is the ratio VR load/VR noload of the filter's peak voltage output with (load) and without (no load) the amplifier connected if the amplifier's input impedance is 1.5 ks2? ΑΣΦ -> VR load/VR noload = Submit Request Answer Part B For a 60 Hz signal, what is the ratio VR load/VR noload of the filter's peak voltage output with (load) and without (no load) the amplifier connected if the amplifier's input impedance is 150 ks?? VR load/VR noload= Ο ΑΣΦ Submit Request Answer

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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An electric circuit, whether it's a simple lightbulb or a complex amplifier, has two input terminals that are connected to the two output terminals of the voltage source. The impedance between the two input terminals (often a function of frequency) is the circuit's input impedance. Most circuits are designed to have a large input impedance. To see why, suppose you need to amplify the output of a high-pass filter that is constructed with a 1.6 k resistor and a 15 uF capacitor. The amplifier you've chosen has a purely resistive input impedance. Part A For a 60 Hz signal, what is the ratio VR load/VR noload of the filter's peak voltage output with (load) and without (no load) the amplifier connected if the amplifier's input impedance is 1.5 ks2? ΑΣΦ -> VR load/VR noload = Submit Request Answer Part B For a 60 Hz signal, what is the ratio VR load/VR noload of the filter's peak voltage output with (load) and without (no load) the amplifier connected if the amplifier's input impedance is 150 ks?? VR load/VR noload= Ο ΑΣΦ Submit Request Answer
Transcribed Image Text:An electric circuit, whether it's a simple lightbulb or a complex amplifier, has two input terminals that are connected to the two output terminals of the voltage source. The impedance between the two input terminals (often a function of frequency) is the circuit's input impedance. Most circuits are designed to have a large input impedance. To see why, suppose you need to amplify the output of a high-pass filter that is constructed with a 1.6 k resistor and a 15 uF capacitor. The amplifier you've chosen has a purely resistive input impedance. Part A For a 60 Hz signal, what is the ratio VR load/VR noload of the filter's peak voltage output with (load) and without (no load) the amplifier connected if the amplifier's input impedance is 1.5 ks2? ΑΣΦ -> VR load/VR noload = Submit Request Answer Part B For a 60 Hz signal, what is the ratio VR load/VR noload of the filter's peak voltage output with (load) and without (no load) the amplifier connected if the amplifier's input impedance is 150 ks?? VR load/VR noload= Ο ΑΣΦ Submit Request Answer
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